/**
 * User:langchen
 * Date:2022-09-08
 * Time:21:14
 */
public class change {
    public static void main(String[] args) {
        Integer a = 127;
        Integer b = 127;
        Integer c = 128;
        Integer d = 128;
System.out.println(a == b);
System.out.println(c == d);
    }
}
